Patents Assigned to Proportion Air Incorporated
  • Patent number: 8292600
    Abstract: The present invention includes methods and apparatuses for operating and controlling AOD pumps (10, 10?, 10?, 100, 460, 580, 740) and other pumps.
    Type: Grant
    Filed: November 17, 2005
    Date of Patent: October 23, 2012
    Assignee: Proportion-Air, Incorporated
    Inventors: David A. Reed, Timothy D. Hogue
  • Patent number: 7517199
    Abstract: The present invention includes methods and apparatuses for operating and controlling AOD pumps.
    Type: Grant
    Filed: November 17, 2004
    Date of Patent: April 14, 2009
    Assignee: Proportion Air Incorporated
    Inventors: David Alan Reed, Timothy David Hogue